Licensed Heating & Air Conditioning (C-20) contractors in California
The California Contractors State License Board (CSLB) lists 8,999 California contractors classified C-20 (Heating & Air Conditioning (C-20)). Each entry below links to a full dossier with license status, insurance, bond, and enforcement — as of June 29, 2026.
Showing 2,281–2,340 of 8,999 contractors
- Active · clearCircle N Heating & Air ConditioningRedding, CA · CSLB #850355 · as of June 29, 2026
- Active · clearCircotemp INCWest Hills, CA · CSLB #783920 · as of June 29, 2026
- Active · clearCirculair Heating & Air ConditioningBakersfield, CA · CSLB #1030480 · as of June 29, 2026
- Active · clearLambert And Son LLC DBA Circular A CWildomar, CA · CSLB #1057386 · as of June 29, 2026
- Active · clearCisco Heating & Cooling SystemsWinnetka, CA · CSLB #983588 · as of June 29, 2026
- Active · clearCisneros Brothers Plumbing INCHesperia, CA · CSLB #864345 · as of June 29, 2026
- Active · clearCity AirGlendale, CA · CSLB #979090 · as of June 29, 2026
- Active · clearCity BreezeGlendale, CA · CSLB #1090235 · as of June 29, 2026
- Active · clearCity Flow Heating And Air ConditioningNorthridge, CA · CSLB #1086938 · as of June 29, 2026
- Active · clearCity Wide Air ConditioningGranada Hills, CA · CSLB #532048 · as of June 29, 2026
- Active · clearCitywide Heating & Cooling LLCFontana, CA · CSLB #1093551 · as of June 29, 2026
- Active · clearCity Wide Plumbing Heating And Air ConditioningMoreno Valley, CA · CSLB #781759 · as of June 29, 2026
- Active · clearCJ Air Conditioning & Heating CompanyLaguna Woods, CA · CSLB #898999 · as of June 29, 2026
- Active · clearC J E Heating & Air ConditioningRedwood City, CA · CSLB #1000743 · as of June 29, 2026
- Active · clearC J Heating & CoolingVisalia, CA · CSLB #971721 · as of June 29, 2026
- Active · clearC J'S Affordable Heating & Air ConditioningImperial, CA · CSLB #993476 · as of June 29, 2026
- Active · clearCJS Cooling Tower ServicesNorco, CA · CSLB #980549 · as of June 29, 2026
- Active · clearC J'S Heating & Air ConditioningValley Center, CA · CSLB #939344 · as of June 29, 2026
- Active · clearC & K Heating & AirTehachapi, CA · CSLB #1110453 · as of June 29, 2026
- Active · clearCladdagh Refrigeration Company INCSan Francisco, CA · CSLB #796321 · as of June 29, 2026
- Active · clearHarry Clark Plumbing And Heating INCOakland, CA · CSLB #792463 · as of June 29, 2026
- Active · clearClark Heat And Air INCOrangevale, CA · CSLB #1028574 · as of June 29, 2026
- Active · clearJ Clark Heating & CoolingSonoma, CA · CSLB #1090153 · as of June 29, 2026
- Active · clearClark Plumbing Heating And Airconditioning COValencia, CA · CSLB #277453 · as of June 29, 2026
- Active · clearClark RefrigerationRedding, CA · CSLB #832242 · as of June 29, 2026
- Active · clearClark & Sons Aire INCVentura, CA · CSLB #1074723 · as of June 29, 2026
- Active · clearClassic Air MechanicalOrange, CA · CSLB #1069650 · as of June 29, 2026
- Active · clearClassic Heating & Air ConditioningRedlands, CA · CSLB #643710 · as of June 29, 2026
- Active · clearClassic Heating And Air ConditioningConcord, CA · CSLB #960065 · as of June 29, 2026
- Active · clearClassic Plumbing Heating & AirSan Diego, CA · CSLB #1143182 · as of June 29, 2026
- Active · clearClayton Brothers Heating And Air INCClayton, CA · CSLB #838282 · as of June 29, 2026
- Active · clearClayton Valley Mechanical Heating And Air ConditioningClayton, CA · CSLB #507324 · as of June 29, 2026
- Active · clearClean Air Company INCSan Jose, CA · CSLB #1156196 · as of June 29, 2026
- Active · clearClean Air HVAC INCConcord, CA · CSLB #829011 · as of June 29, 2026
- Active · clearClean Air MechanicalBuellton, CA · CSLB #705114 · as of June 29, 2026
- Active · clearClean Air SolutionsWoodland Hills, CA · CSLB #1153130 · as of June 29, 2026
- Active · clearClean Breeze AirFairfield, CA · CSLB #1074492 · as of June 29, 2026
- Active · clearClear Air Heating & Cooling INCSalinas, CA · CSLB #1125738 · as of June 29, 2026
- Active · clearClear Choice Plumbing & DrainsRamona, CA · CSLB #703999 · as of June 29, 2026
- Active · clearClear Flow Heating & Air INCStanton, CA · CSLB #1083874 · as of June 29, 2026
- Active · clearClear Heating And Air INCEl Cajon, CA · CSLB #1076034 · as of June 29, 2026
- Active · clearClearly Comfort LLCDraper, CA · CSLB #1125859 · as of June 29, 2026
- Active · clearClear Path Air SolutionsWoodlake, CA · CSLB #1140882 · as of June 29, 2026
- Active · clearClemco MechanicalStockton, CA · CSLB #753793 · as of June 29, 2026
- Active · clearClemmer Services INCBarstow, CA · CSLB #652231 · as of June 29, 2026
- Active · clearClennair A/c & HeatingHuntington Beach, CA · CSLB #509320 · as of June 29, 2026
- Active · clearClever Heating And CoolingSan Francisco, CA · CSLB #1155494 · as of June 29, 2026
- Active · clearCL Heating And Air INCCitrus Heights, CA · CSLB #1084345 · as of June 29, 2026
- Active · clearClifton Plumbing & HeatingSand City, CA · CSLB #979775 · as of June 29, 2026
- Active · clearClimate Air Masters INCAnaheim, CA · CSLB #695854 · as of June 29, 2026
- Active · clearClimate Brothers INCSantee, CA · CSLB #931151 · as of June 29, 2026
- Active · clearClimate CareGlendale, CA · CSLB #914031 · as of June 29, 2026
- Active · clearClimate Care INCManteca, CA · CSLB #1009516 · as of June 29, 2026
- Active · clearClimatech HVAC Services INCOxnard, CA · CSLB #1147865 · as of June 29, 2026
- Active · clearClimatech INCLos Angeles, CA · CSLB #1073460 · as of June 29, 2026
- Active · clearThe Climate CO Heating And AirUkiah, CA · CSLB #1113355 · as of June 29, 2026
- Active · clearClimate ConceptsAlpena, CA · CSLB #817626 · as of June 29, 2026
- Active · clearClimate ControlCupertino, CA · CSLB #651284 · as of June 29, 2026
- Active · clearClimate ControlBakersfield, CA · CSLB #894659 · as of June 29, 2026
- Active · clearClimate Control Heating And Air ConditioningSylmar, CA · CSLB #1139790 · as of June 29, 2026
Data sourced from the California Contractors State License Board (CSLB), current as of June 29, 2026. IsItLicensed is not affiliated with or endorsed by the CSLB or the State of California. Always verify against the official record.